Vaisala HMP3 - Configuration Registers; Table 57 Modbus Configuration Data Registers (Writable)

A.4.2 Configuration registers
Table 57 Modbus configuration data registers (writable)
Register
number
(decimal)
Register
address
(hexadecim
al)
Register description Data format Unit / valid range
General
1287 0506
hex
Extra heat on/o. Enables
heating of humidity sensor
when close to saturation.
Measurement is disabled
for the duration of heating
and cooling.
16-bit
boolean
0 = o (default)
1 = on
1289 0508
hex
Probe heating on/o.
Available on HMP7 model
only.
When on, output
parameters that depend
on temperature
measurement (for
example, relative
humidity) are disabled
unless temperature is
written to register 0334
hex
from an external source.
16-bit
boolean
0 = o (default)
1 = on
2561 0A00
hex
User information Text Text string of 24 bytes in
UTF-8 encoding
Compensation setpoints
769 0300
hex
Pressure compensation
setpoint
32-bit float Unit: hPA
Default: 1013.25 hPa
0301
hex
HMP3, HMP4, HMP5, HMP7, HMP8, HMP9, MMP8, TMP1 User Guide M212022EN-D
82
陕西威瑞仪器仪表有限公司 生产代理销售：实验检测设备 气象科学仪器设备
Tel:029-88186182 Web:www.xavery.cn Email:sxvery@163.com